{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "DNA", "cell type", "protein", "RNA"], "input": "Similar DNA binding activity was detected in a variety of virus-uninfected human T cell lines and HeLa cells by means of a gel mobility shift assay ."}
{"cell line": ["virus-uninfected human T cell lines", "HeLa cells"], "DNA": [], "cell type": [], "protein": [], "RNA": []}